Module 6 (B1) Module 6 (B1) quiz contains 72 question based on the syllabus for module 6 examination for B1 category. The time limit for the quiz is 90 min. The number of attempts allowed are unlimited. All the best. Name 1. When approved, splices may be used to repair manufactured harnesses of installed wiring. The maximum number of splices permitted between any two connectors is one two three None 2. Anodic treatment of aluminum alloy gives a pure coating of aluminum oxide on the surface a shorter life due to hardening a purple finish None 3. Cold working of a material is used to reduce material hardness wear of manufacturing tools fatigue None 4. The process of forming a pure layer of aluminum over an aluminum alloy is electroplating metalizing cladding None 5. Age hardening of aluminum is not necessary never carried out a gradual hardening over a period of time None 6. A certain amount of slack must be left in a flexible hose during installation because, when under pressure, it expands in length and diameter contracts in length and expands in diameter expands in length and contracts in diameter None 7. The NE rivet quadrant gives information on head data diameter and manufactured head location fastener identity None 8. A plate 10 inches by 5 inches is to be riveted with 3 rows of rivets, with the normal 4D rivet spacing and 2 D edge distance. The rivets are AN460AD4-6. How many rivets are required? 56 60 52 None 9. A gas or fluid line marked with the letters PHDAN is a high pressure line. The letters mean Pressure High, Discharge at Nacelle is carrying a substance which cannot be made non-toxic is carrying a substance which may be dangerous to personnel None 10. A journal load is compression radial axial None 11. What metal is suitable for riveting alloy steel? Monel metal Mild steel Aluminium alloy None 12. Forming a solution treated rivet gives it 75% of its hardness. What gives it the other 25%? Leave at room temperature for four hours Precipitation treat the component when forming is complete Put them in a refrigerator None 13. After a product has been manufactured and all heat treatment has been carried out the stress remaining if any is termed as working stress residual stress applied stress. None 14. Tempering entails heating over the UCP and slow cooling heating over the UCP and fast cooling heating under the UCP and slow cooling None 15. When drilling stainless steel, use a drill ground to 90 °, slow cutting speed drill ground to 120 °, slow cutting speed drill ground to 90 °, fast cutting speed None 16. The continuous coloured line on a hose assembly identifies hose material identifies fluid compatibility of hose will assist in detection of any twist in an installed hose None 17. Pure aluminum is reasonably resistant to corrosion not resistant to corrosion highly resistant to corrosion None 18. A 3/8 inch aircraft high pressure flexible hose compared to a 3/8 inch metal tubing used in the same system will usually have interchangeable applications have equivalent flow characteristics have about the same OD None 19. Chromium added to plain carbon steel turns it into a non-ferrous alloy makes the metal softer increases it's resistance to corrosion None 20. Tension regulators on aeroplanes with fully metal bodies are used to relax the tension in cold conditions set up the necessary tension maintain the necessary tension None 21. Turnbuckles are correctly fitted when both rods are seen to touch in the inspection hole the inspection hole is blind or the required number of threads are showing both rods enter the barrel by the same amount None 22. How is the diameter of a cable measured? Overall diameter Diameter of one wire only Diameter of one wire multiplied by the number of wires None 23. Corrosion will spread more rapidly when metals are exposed to cold climates high temperatures dry climates None 24. A type of protection which is applicable to magnesium alloys is the coslettising process chromating process phosphate process None 25. British turnbuckles are checked for safety by looking through the hole and checking for threads showing attempting to pass a hardened pin probe through the inspection hole attempting to pass locking wire through the hole None 26. A bolt with a raised dash is close tolerance AN standard Corrosion Resistant Steel None 27. When silver coated connectors are used in unpressurised parts of the aircraft separation of the coating can occur wet track arcing can occur red plague can occur None 28. A turnbuckle locknut is a slotted nut stiff nut castle nut None 29. What sort of corrosion would a magneto be likely to encounter if completely enclosed? Direct chemical attack None, providing the magneto is completely enclosed Pitting None 30. When normalising, the material is left to cool in room temperature quenched immediately cooled slowly None 31. A wire thread insert tap is slightly larger than the hole supplied in a fitting kit slightly smaller than the hole None 32. In the galvanic series, the most noble metal will, if joined to another metal allow the less noble metal to corrode first always be at the top of the table corrode before the less noble metal None 33. A sheet of metal is designated 2024-T4. The code tells us that the material is a copper based aluminum alloy. solution treated and artificially aged annealed and Naturally aged. solution treated and naturally aged None 34. Shielded ball bearings are inspected by running at operating speed and listening for signs of wear dismantling and inspecting rotating slowly by hand None 35. Which of the following are generally characteristic of carbon/graphite fibre composites? Flexibility, High compressive strength and ability to conduct electricity Stiffness, high compressive strength and corrosive effect in contact with aluminium Flexibility and high compressive strength. None 36. Specified time of contact between the indentor and test piece in a vickers or brinell hardness test is 15 seconds 10 seconds 20 seconds None 37. What sort of surface treatment would you find on a magnesium casting? Chromating Phosphating Anodizing None 38. How is the change in direction of a control chain, in two planes, achieved? By using spring clips By using bi-planer blocks By using a pulley None 39. Annealing steels toughens the metal makes the metal brittle makes the metal malleable None 40. When installing coaxial cable, it should be secured along its entire length at 1-foot intervals at 2-foot intervals wherever the cable sags None 41. Most commonly used thread form in aviation is V thread round thread buttress None 42. Fretting corrosion occurs where a deep scratch increases to become fretting corrosion pitting corrosion is allowed to become more pronounced two material are subject to very slight movement between the two None 43. Interference in ribbon cables can be prevented by grounding alternate wires so that signal wires are never adjacent the use of a common earth return between signal wires in the cable using alternate return wires so that the cable differences cancel each other out None 44. The formation of steel depends upon the formation of austenite into pearlite the formation of pearlite into austenite the presence of pearlite in the structure None 45. How many times can you use a locking plate? Once only As long as it remains serviceable Until all the tabs have been broken off None 46. Rivnuts were originally used for securing structural parts securing cabin floorings securing rubber de-icing boots None 47. What metal is suitable for riveting magnesium alloy? 1100 aluminium alloy 5056 aluminium alloy Monel metal None 48. How is residual magnetism removed after an NDT examination? EMI Degaussing EMC None 49. The maximum tensile strength of fibre reinforced plastic is achieved using fibres uniformly distributed at 45 degrees to each other unidirectional fibres chopped strand mat None 50. A Skydrol hydraulic seal would be made of butyl rubber, ethelene propylene or Teflon Phosphate Ester based natural rubber vegetable based synthetic rubber mineral based None 51. Silver plated copper wire has a maximum working temp of 300°C 250°C 200°C None 52. When fitting a hyloks the hole should be drilled so it is an interference fit each hylock should be torqued, the torque calculated for each time they should be lubricated None 53. Tempering of hardened steel is carried out to retain core hardness, but soften the surface retain surface hardness, but soften the core significantly reduce the brittleness without suffering a major drop in its strength None 54. In a front release connector, the pin will be released from rear and extracted from the front released from the front and extracted from the rear released from the front and extracted from the front None 55. If a pulley shows signs of wear on one side the cable is too tightly tensed the pulley is too large for the cable the cable is misaligned None 56. The artificial production of a film of oxide on the surface of aluminum or any of its alloys is commonly called anodizing alodizing parco lubrizing None 57. The oxide film on the surface of aluminum is non porous hard and porous porous None 58. On gear teeth, the wear pattern should be the top edge most worn the middle of the tooth most worn even from top to bottom None 59. Taper roller bearings are used for which of the following purposes? To transmit radial loads whilst resisting axial movement To transmit thrust loads with radial loads To permit axial movement whilst resisting radial load None 60. In a poorly produced repair to skin structure, where would stress corrosion start? Radiate from the corner or sharp edges Form internally to produce surface corrosion Along the edges of repair None 61. Which of the following metals is an aluminum silicon alloy used mainly for casting? Alclad Alpax Aldrey None 62. A cable is marked NYVIN 22. The 22 represents the current rating current/weight ratio cross sectional area None 63. A rivet that has 5% magnesium is identified as anodic violet and has an X natural and has an M anodic green and has an X None 64. Chromate treatment is applied to Al alloys magnesium alloys Fe alloys None 65. Hooke's law states that, within the elastic region, elastic strain is indirectly proportional to stress directly proportional to stress directly opposite to stress None 66. With respect to ferrous metals which of the following is true? Iron is not any element of ferrous metals Iron is a main element and ferrous metals are not magnetic Iron is a main element and most ferrous metal are magnetic None 67. An aircraft pipe has a number stamped on it. It is the serial number aircraft system fluid it is carrying None 68. What would the marking .5 indicate after the normal part number of a solid rivet? Indicates close tolerance rivet The rivet length in graduations of 1/8 inch The diameter of the rivet is half an inch None 69. A fire resistant cable must maintain adequate insulation in a fire for 10 minutes 30 minutes 5 minutes None 70. Malleable materials are easy to forge easy to cast highly ductile None 71. A blind fastener described as external sleeve and internally threaded would be a jo bolt a cherry lock a rivnut None 72. Cast iron is tough very malleable heavy and brittle None 1 out of 1
